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Chinese National Standard Category: Synchronous machine |
English Title: | Fundamental requirements of excitation systems for large and medium synchronous generator |
Chinese Title: | 大、中型同步发电机励磁系统基本技术条件 |
Standard No.: | GB 7409-1987 |
Category No.: | K21 |
Issued by: | |
Issued on: | |
Implemented on: | 1987-11-1 |
Status: | superseded |
Superseded by: | GB/T 7409.3-1997 Excitation System for Synchronous Electrical Machines - Technic |
Superseded on: | 1998-4-1 |
Abolished on: | |
Superseding: | |
Word Count: | 4500 words |
Similar Standards: | GB/T 7894-2023 GB/T 12974.2-2023 GB/T 43188-2023 GB/T 27744-2021 GB/T 40294-2021 GB/T 1029-2021 GB/T 7409.2-2020 GB/T 21663-2019 GB/T 22711-2019 GB/T 7064-2017 GB/T 12974.2-2014 GB/T 7894-2009/XG1-2015 T/CEEIA 229-2015 T/CEEIA 230-2015 GB/T 12974-2012 GB/T 27989-2011 GB/T 27744-2011 JB/T 8667.1-2011 JB/T 8981-2011 GB/T 26680-2011 |
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